From e43899ed8a42bcc59cfa91db4ce5fce6178af11e Mon Sep 17 00:00:00 2001
From: David Code Howard <david@techmatters.org>
Date: Wed, 20 Sep 2023 14:03:02 -0400
Subject: [PATCH] feat: Use enum for project update mutations

---
 .../apps/graphql/schema/schema.graphql        | 10 +++----
 .../project_management/graphql/projects.py    | 26 +++++++++----------
 2 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/terraso_backend/apps/graphql/schema/schema.graphql b/terraso_backend/apps/graphql/schema/schema.graphql
index 6c6e21730..542dc10d3 100644
--- a/terraso_backend/apps/graphql/schema/schema.graphql
+++ b/terraso_backend/apps/graphql/schema/schema.graphql
@@ -586,9 +586,9 @@ type ProjectMembershipNode implements Node {
 }
 
 enum UserRole {
-  VIEWER
-  CONTRIBUTOR
-  MANAGER
+  viewer
+  contributor
+  manager
 }
 
 """An enumeration."""
@@ -1801,7 +1801,7 @@ type ProjectAddUserMutationPayload {
 input ProjectAddUserMutationInput {
   projectId: ID!
   userId: ID!
-  role: String!
+  role: UserRole!
   clientMutationId: String
 }
 
@@ -1828,7 +1828,7 @@ type ProjectUpdateUserRoleMutationPayload {
 input ProjectUpdateUserRoleMutationInput {
   projectId: ID!
   userId: ID!
-  newRole: String!
+  newRole: UserRole!
   clientMutationId: String
 }
 
diff --git a/terraso_backend/apps/project_management/graphql/projects.py b/terraso_backend/apps/project_management/graphql/projects.py
index 30926ebf6..ba77479ef 100644
--- a/terraso_backend/apps/project_management/graphql/projects.py
+++ b/terraso_backend/apps/project_management/graphql/projects.py
@@ -52,9 +52,9 @@
 
 
 class UserRole(graphene.Enum):
-    VIEWER = collaboration_roles.ROLE_VIEWER
-    CONTRIBUTOR = collaboration_roles.ROLE_CONTRIBUTOR
-    MANAGER = collaboration_roles.ROLE_MANAGER
+    viewer = collaboration_roles.ROLE_VIEWER
+    contributor = collaboration_roles.ROLE_CONTRIBUTOR
+    manager = collaboration_roles.ROLE_MANAGER
 
 
 class ProjectMembershipNode(DjangoObjectType, MembershipNodeMixin):
@@ -65,12 +65,12 @@ class Meta(MembershipNodeMixin.Meta):
 
     def resolve_user_role(self, info):
         match self.user_role:
-            case "VIEWER":
-                return UserRole.VIEWER
-            case "CONTRIBUTOR":
-                return UserRole.CONTRIBUTOR
-            case "MANAGER":
-                return UserRole.MANAGER
+            case "viewer":
+                return UserRole.viewer
+            case "constributor":
+                return UserRole.contributor
+            case "manager":
+                return UserRole.manager
             case _:
                 raise Exception(f"Unexpected user role: {self.user_role}")
 
@@ -258,7 +258,7 @@ class ProjectAddUserMutation(BaseWriteMutation):
     class Input:
         project_id = graphene.ID(required=True)
         user_id = graphene.ID(required=True)
-        role = graphene.String(required=True)
+        role = graphene.Field(UserRole, required=True)
 
     @classmethod
     def mutate_and_get_payload(cls, root, info, project_id, user_id, role):
@@ -283,7 +283,7 @@ def validate(context):
         try:
             _, membership = project.membership_list.save_membership(
                 user_email=user.email,
-                user_role=role,
+                user_role=role.value,
                 membership_status=Membership.APPROVED,
                 validation_func=validate,
             )
@@ -352,7 +352,7 @@ class ProjectUpdateUserRoleMutation(BaseWriteMutation):
     class Input:
         project_id = graphene.ID(required=True)
         user_id = graphene.ID(required=True)
-        new_role = graphene.String(required=True)
+        new_role = graphene.Field(UserRole, required=True)
 
     @classmethod
     def mutate_and_get_payload(cls, root, info, project_id, user_id, new_role):
@@ -380,7 +380,7 @@ def mutate_and_get_payload(cls, root, info, project_id, user_id, new_role):
                 MutationTypes.UPDATE, msg="User is not allowed to change other user role"
             )
 
-        target_membership.user_role = new_role
+        target_membership.user_role = new_role.value
         target_membership.save()
 
         membership_updated_signal.send(sender=cls, membership=target_membership, user=requester)